CN104763862B - A kind of vacuum insulation panel and preparation method thereof - Google Patents
A kind of vacuum insulation panel and preparation method thereof Download PDFInfo
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- CN104763862B CN104763862B CN201410002611.XA CN201410002611A CN104763862B CN 104763862 B CN104763862 B CN 104763862B CN 201410002611 A CN201410002611 A CN 201410002611A CN 104763862 B CN104763862 B CN 104763862B
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- heat
- insulation panel
- vacuum insulation
- core plate
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- 238000009413 insulation Methods 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004793 Polystyrene Substances 0.000 claims abstract description 28
- 229920002223 polystyrene Polymers 0.000 claims abstract description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 11
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 5
- 238000002309 gasification Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 206010000269 abscess Diseases 0.000 claims description 4
- 239000004595 color masterbatch Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000002421 cell wall Anatomy 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 229960004424 carbon dioxide Drugs 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- DQYHBUIHXMLXFA-UHFFFAOYSA-N 1,1,4,7,10,10-hexabromododecane Chemical compound CCC(Br)(Br)CCC(Br)CCC(Br)CCC(Br)Br DQYHBUIHXMLXFA-UHFFFAOYSA-N 0.000 description 3
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 125000001153 fluoro group Chemical class F* 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Abstract
The present invention provides a kind of vacuum insulation panel, including heat-insulation core plate and the aluminum base gas barrier film that is wrapped in heat-insulation core plate outer layer, heat-insulation core plate includes the high intensity polystyrene that mass percent is 94～96%, mass percent is the carbon dioxide of 2～3%, mass percent is the ethanol of 0.5～1.5%, surplus is auxiliary agent, and the preparation method of a kind of vacuum insulation panel.Use vacuum insulation panel of the present invention and preparation method thereof, environmental protection, be more beneficial for the sustainable development of product, and production line runs quick and stable, while process velocity improves, greatly reduces production cost and energy consumption.Product cell wall thickness increases, and density increases to 42 50kg/m3, while heat conductivity holding is constant, intensity becomes big, can bear the creep under long-term pressure.Its homogenizing closed-cell foam structure makes sheet material good stability, the comprcssive strength height produced, and service life is longer simultaneously.
Description
Technical field
The present invention relates to a kind of thermal insulation board and preparation method thereof, particularly relate to one and utilize carbon dioxide extruded sheet as core
The vacuum insulation panel of plate.
Background technology
Vacuum insulation panel is the one in vacuum thermal insulating material, is to be composited with vacuum protection top layer by filling core,
It is effectively prevented from the heat transfer that cross-ventilation causes, and therefore heat conductivity can be greatly lowered.The generally core of vacuum insulation panel
Material uses glass cotton or silica flour.Have that service life is short, cost is high, to prepare link multi-product quality difficult, artificial unstable
The shortcoming such as fixed.Extrusion moulding type polystyrene heat insulating board, it be with polystyrene resin for raw material plus other supplementary material with
Polymer, by adding hot mixing, is injected simultaneously into catalyst, then extrusion molding extrusion molding and the rigid foam plate that manufactures. it
Formal name used at school be extrusion molding polystyrene polyfoam for heat insulation (be called for short XPS), XPS has closed honeycomb structure, and this structure allows XPS
Plate has low thermal conductivity coefficient, ageing resistance, and quality is light, intensity is high, it is simple to cuts, transport, and not cracky, easy for installation, extensively
Be applied to building roofing, steel structural roof, building masonry wall insulation, constructure ground moisturizing, square ground is incubated, ground is frozen
Swollen control, ventilating duct of central air conditioner insulation etc..Production is Full-automatic mechanized and produces, and yield is high, and quality stability is splendid.
It it is the excellent materials making vacuum insulation panel.At present, during polystyrene extruded sheet produces, often use " fluorine series " foaming agent, as
Freon (CFC, HCFC, HFC etc.), HCFC-142b (1-chlorine-1,1-difluoroethane), HCFC-22(F-22), this
Vacuum in vacuum insulation panel out, is impacted by class foaming agent in use toxic gas meeting slow release.Lead
Causing insulation degree to decline, intensity reduces, and freon is serious to depletion of the ozone layer simultaneously, and the harm to environment and human health is huge
's.In view of this, all deficiencies that vacuum insulation panel exists how are solved, it has also become one, this area problem demanding prompt solution.
Summary of the invention
Use silica flour or glass cotton, preparation difficulty for the core of vacuum insulation panel in prior art, and service life is short
Etc. shortcoming.Use the efficient materials such as extruded sheet, there is again the present situation that " fluorine series " foaming agent is widely used, and sheet material water absorption rate
Height, degree of stability is not enough, the situation that production cost is high, and the present invention provides a kind of vacuum insulation panel and preparation method thereof.
The present invention provides a kind of vacuum insulation panel, including heat-insulation core plate and the choke aluminum base that is wrapped in heat-insulation core plate outer layer
Composite membrane, heat-insulation core plate includes the high intensity polystyrene that mass percent is 94～96%, and mass percent is the two of 2～3%
Carbonoxide, mass percent is the ethanol of 0.5～1.5%, and surplus is auxiliary agent.
Preferably, one during the auxiliary agent of vacuum insulation panel is nanometer grade calcium carbonate powder, ring hexabromo dodecane or color masterbatch or
Several；
Preferably, the auxiliary agent of vacuum insulation panel is nanometer grade calcium carbonate powder；
Preferably, the granules of polystyrene melt index of vacuum insulation panel is more than 3.5g/10min；
Preferably, the heat-insulation core plate core density of vacuum insulation panel is more than 42kg/m3, and abscess average diameter is less than 0.05 milli
Rice;
Preferably, the heat-insulation core plate comprcssive strength of vacuum insulation panel is more than 500KPa;
The present invention also provides for the preparation method of a kind of vacuum insulation panel, uses following operating procedure:
1) be 94 by mass percent～the polystyrene of 96%, mass percent are 0.5～the ethanol of 1.5% and auxiliary agent
Adding in extruder, mix homogeneously is also heated to 160 DEG C～260 DEG C, so that all raw materials merge completely；
2) continuing to be passed through mass percent in the mixing material of step 1) is 2～the carbon dioxide of 3% and mass percent
It is the ethanol of 0.5～1.5%, boosts to 15～20MPa, make the mixing that the carbon dioxide as foaming agent is formed with polystyrene
Material is sufficiently mixed to generate gel, and extrusion main unit rotating speed is not more than 20rpm. traction machine speed and is not more than 5cm/s；
3) extruding after gel being cooled to 100 DEG C～105 DEG C, after fall causes an atmospheric pressure, original place is in the titanium dioxide of liquid
Carbon gasification escapes, and prepares the heat-insulation core plate with polystyrene even foaming structure；
4) the smooth thin slice that the heat-insulation core plate in step 3) is cut into a centimeter to five centimeters by heating wire is utilized, and at thin slice
Upper extrusion groove or hole, put into formation compound heat-insulation central layer in groove or hole by getter；
5) compound heat-insulation central layer is placed in choke aluminum-base composite film, evacuation, i.e. prepares vacuum insulation panel；
Preferably, in the preparation method of vacuum insulation panel, the getter of step 4) is lime powder and metal alloy air-breathing
The composite getter of agent；
Preferably, in the preparation method of vacuum insulation panel metal alloy getter be TiAlMn metal alloy powders or
TiAlFe metal alloy powders.
Use vacuum insulation panel of the present invention and preparation method thereof, environmental protection, be more beneficial for the sustainable development of product,
And production line runs quick and stable, while process velocity improves, greatly reduce production cost and energy consumption, product abscess
Wall thickness increases, and density increases, and on the premise of heat conductivity keeps substantially constant, intensity improves a lot, and density increases to 42-
50kg/m3, its homogenizing closed-cell foam structure makes sheet material good stability, the comprcssive strength height produced, and service life is longer simultaneously.
Detailed description of the invention
In order to be more clearly understood that the technology contents of the present invention, below embodiments of the present invention are made the most in detail
Describe.
This vacuum insulation panel is by heat-insulation core plate and is wrapped in the choke aluminum-base composite film of heat-insulation core plate outer layer and forms, heat insulation
Central layer includes the high intensity polystyrene that mass percent is 94～96%, and mass percent is the carbon dioxide of 2～3%, quality
Percentage ratio is the ethanol of 0.5～1.5%, and surplus is auxiliary agent, selection of auxiliary nanometer grade calcium carbonate powder, ring hexabromo dodecane or color masterbatch
In one or more, the melt index of granules of polystyrene be more than 3.5g/10min.The core density of heat-insulation core plate is more than
42kg/m3, abscess average diameter is less than 0.05 millimeter, and comprcssive strength is more than 500KPa.
Embodiment 1
By high intensity polystyrene that mass percent is 94% and nanometer grade calcium carbonate powder that mass percent is 2.5%
Adding in extruder, wherein, the melt index of granules of polystyrene is 3.8g/10min.Mix homogeneously is also heated to 260 DEG C, with
Make all raw materials merge, continue after merging completely to be passed through, in mixing material, the carbon dioxide and quality hundred that mass percent is 3%
Proportion by subtraction is the ethanol of 0.5%, boosts to 15MPa, and the mixing material making the carbon dioxide as foaming agent and polystyrene be formed fills
Point mixing to generate gel, extrusion main unit rotating speed be 20rpm. traction machine speed be 5cm/s.Squeeze after gel is cooled to 100 DEG C
Going out, fall causes an atmospheric pressure, makes original place escape in the carbon dioxide gasification of liquid, prepares and have polystyrene even foaming structure
Heat-insulation core plate, then utilize the thin slice that heat-insulation core plate is cut into two centimeters by heating wire, and on thin slice, extrude groove, will oxidation
The composite getter of calcium powder and TiAlMn metal alloy powders puts into formation compound heat-insulation central layer in groove, then by compound heat-insulation
Central layer is placed in choke aluminum-base composite film, and evacuation i.e. prepares vacuum insulation panel.
Embodiment 2
High intensity polystyrene that mass percent is 96% and ring hexabromo dodecane that mass percent is 0.5% are added
Entering in extruder, wherein, the melt index of granules of polystyrene is 4g/10min.Mix homogeneously is also heated to 260 DEG C, so that institute
There is raw material to merge, continue after merging completely to be passed through, in mixing material, the carbon dioxide and mass percent that mass percent is 2%
Being the ethanol of 1.5%, boost to 20MPa, the mixing material making the carbon dioxide as foaming agent and polystyrene be formed is the most mixed
Close to generate gel, extrusion main unit rotating speed be 18rpm. traction machine speed be 4.5cm/s.Extrude after gel is cooled to 105 DEG C,
Fall causes an atmospheric pressure, makes original place escape in the carbon dioxide gasification of liquid, prepares and have polystyrene even foaming structure
Heat-insulation core plate, then utilizes the thin slice that heat-insulation core plate is cut into three centimeters by heating wire, and extrudes hole on thin slice, by calcium oxide powder
The composite getter of end and TiAlMn metal alloy powders puts into formation compound heat-insulation central layer in hole, then is put by compound heat-insulation central layer
Put in choke aluminum-base composite film, evacuation, i.e. prepare vacuum insulation panel.
Embodiment 3
By high intensity polystyrene that mass percent is 95% and nanometer grade calcium carbonate powder that mass percent is 1.5%
Adding in extruder, wherein, the melt index of granules of polystyrene is 4.5g/10min.Mix homogeneously is also heated to 180 DEG C, with
Make all raw materials merge, continue after merging completely to be passed through, in mixing material, the carbon dioxide and quality that mass percent is 2.5%
Percentage ratio is the ethanol of 1%, boosts to 15MPa, and the mixing material making the carbon dioxide as foaming agent and polystyrene be formed fills
Point mixing to generate gel, extrusion main unit rotating speed be 15rpm. traction machine speed be 4cm/s.Squeeze after gel is cooled to 105 DEG C
Going out, fall causes an atmospheric pressure, makes original place escape in the carbon dioxide gasification of liquid, prepares and have polystyrene even foaming structure
Heat-insulation core plate, then utilize the thin slice that heat-insulation core plate is cut into five centimeters by heating wire, and on thin slice, extrude hole, by calcium oxide
The composite getter of powder and TiAlFe metal alloy powders puts into formation compound heat-insulation central layer in hole, then by compound heat-insulation central layer
It is placed in choke aluminum-base composite film, evacuation, i.e. prepares vacuum insulation panel.
Use vacuum insulation panel of the present invention and preparation method thereof, use the extruded sheet core of Special high-strength.Have green
Colour circle is protected, and production line runs quick and stable, while process velocity improves, greatly reduces production cost and energy consumption, product
Cell wall thickness increases, and core heat conductivity increases, and intensity becomes big, and density increases to 42-50kg/m3, good stability, anti-
Compressive Strength is high, and water absorption rate is low simultaneously.Coordinate special getter, the constant of internal pressure can be kept, it is ensured that vacuum insulation panel
Heat conductivity constant.Product is extremely applicable to industrial mass production.
It is described above the detailed description of the invention of the present invention.But, those of ordinary skill in the art can be managed
Solve, without departing from the spirit and scope of the present invention in the case of, it is also possible to the detailed description of the invention of the present invention is made various change and
Replace.These changes and replacement all fall in the range of claims of the present invention limits.
Claims (8)
1. a vacuum insulation panel, it is characterised in that include heat-insulation core plate and be wrapped in the choke of described heat-insulation core plate outer layer
Aluminum-base composite film, described heat-insulation core plate includes the high intensity polystyrene that mass percent is 94～96%, and mass percent is 2
～the carbon dioxide of 3%, mass percent is the ethanol of 0.5～1.5%, and surplus is auxiliary agent, and the core of described heat-insulation core plate is close
Degree is less than 0.05 millimeter more than 42kg/m, abscess average diameter.
2. vacuum insulation panel as claimed in claim 1, it is characterised in that described auxiliary agent is nanometer grade calcium carbonate powder, ring hexabromo
One or more in dodecane or color masterbatch.
3. vacuum insulation panel as claimed in claim 1, it is characterised in that described auxiliary agent is nanometer grade calcium carbonate powder.
4. vacuum insulation panel as claimed in claim 1, it is characterised in that the melt index of described granules of polystyrene is more than
3.5g/10min。
5. vacuum insulation panel as claimed in claim 1, it is characterised in that the comprcssive strength of described heat-insulation core plate is more than
500KPa。
6. the preparation method of a vacuum insulation panel as claimed in claim 1, it is characterised in that use following operating procedure:
1) by the polystyrene that described mass percent is 94～96%, and described auxiliary agent adds in extruder, mix homogeneously
And be heated to 160 DEG C～260 DEG C, so that all raw materials merge completely；
2) continue in described step 1) mixing material in be passed through mass percent be 2～the carbon dioxide of 3% and percent mass
Ratio is the ethanol of 0.5～1.5%, boosts to 15～20MPa, makes the carbon dioxide as foaming agent and polystyrene be formed
Mixing material is sufficiently mixed to generate gel, and extrusion main unit rotating speed is not more than 20rpm, and traction machine speed is not more than 5cm/s；
3) extruding after described gel being cooled to 100 DEG C～105 DEG C, after fall causes an atmospheric pressure, original place is in the titanium dioxide of liquid
Carbon gasification escapes, and prepares the described heat-insulation core plate with polystyrene even foaming structure；
4) utilize heating wire by described step 3) in heat-insulation core plate be cut into the smooth thin slice of a centimeter to five centimeters, and at thin slice
Upper extrusion groove or hole, put into formation compound heat-insulation central layer in described groove or hole by getter；
5) described compound heat-insulation central layer is placed in choke aluminum-base composite film, evacuation, i.e. prepares described vacuum insulation panel.
7. the preparation method of vacuum insulation panel as claimed in claim 6, it is characterised in that described step 4) in getter be
Lime powder and the composite getter of metal alloy getter.
8. vacuum insulation panel preparation method as claimed in claim 7, it is characterised in that described metal alloy getter is
TiAlMn metal alloy powders or TiAlFe metal alloy powders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002611.XA CN104763862B (en) | 2014-01-02 | 2014-01-02 | A kind of vacuum insulation panel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002611.XA CN104763862B (en) | 2014-01-02 | 2014-01-02 | A kind of vacuum insulation panel and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104763862A CN104763862A (en) | 2015-07-08 |
| CN104763862B true CN104763862B (en) | 2017-01-04 |
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| CN105135154A (en) * | 2015-08-18 | 2015-12-09 | 栗世芳 | Low-density vacuum energy storage thermal insulation board and preparation method thereof |
| CN109498250A (en) * | 2018-12-24 | 2019-03-22 | 南通市第人民医院 | A kind of circulating cold compress device of Orthopaedic nursing |
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| GB865391A (en) * | 1956-07-26 | 1961-04-19 | Rolls Royce | Improvements in or relating to thermal insulator material |
| CN101526165B (en) * | 2009-03-27 | 2011-11-16 | 上海海事大学 | PU vacuum insulation panel and preparation method thereof |
| CN102161774A (en) * | 2011-01-26 | 2011-08-24 | 南京法宁格节能科技有限公司 | Method for producing polystyrene extruded sheets by using carbon dioxide foaming agent |
| CN102284268B (en) * | 2011-06-14 | 2013-03-20 | 杭州家爽包装材料有限公司 | Getter composition for vacuum insulation board |
| CN103234095A (en) * | 2013-05-08 | 2013-08-07 | 兰州理工大学 | Vacuum heat-insulating plate |
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